Honda was barely 20 years old when it became the world's largest manufacturer of motorcycles. Produced two years later, this RC166 is a perfect
case study as to why Honda achieved such incredible success. It had an inline six-cylinder engine the size of a scooter's motor, and the power output of an average Japanese family car of the era. So it's no surprise the delicate machine carried Mike Hailwood to the rider and constructor title in 1966 and 1967.